125421308 has 24 divisors (see below), whose sum is σ = 234112032. Its totient is φ = 58586624.

The previous prime is 125421293. The next prime is 125421311. The reversal of 125421308 is 803124521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585 + ... + 16047.

It is an arithmetic number, because the mean of its divisors is an integer number (9754668).

Almost surely, 2^125421308 is an apocalyptic number.

It is an amenable number.

125421308 is a deficient number, since it is larger than the sum of its proper divisors (108690724).

125421308 is a wasteful number, since it uses less digits than its factorization.

125421308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13621 (or 13619 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 125421308 is about 11199.1655046258. The cubic root of 125421308 is about 500.5611140665.

Adding to 125421308 its reverse (803124521), we get a palindrome (928545829).

The spelling of 125421308 in words is "one hundred twenty-five million, four hundred twenty-one thousand, three hundred eight".